Walking-cultivator



G. SMITH.

v WALKING cuLnvATon.

APPLICATION FlLED IUNE14| |917.

Patented June 3, 1919.

rin-ioni.

GAILLARD SMITH, 0F GLEN RIDGE, NEW JERSEY, ASSIGNOR TO WORLD HARVESTER CORPORATION, OF NEW YORK, N. Y., A CORPORATION OF DELAWARE.

WALKING-CULTIVATOR.

Specification of Letters Patent.

Patented J une 3, i919.

Application filed June 14, 1917. Serial No. 174,676.

Y To all rwhom tmay concern.'

tion are: first to incorporate propellingy mechanism' in a cultivator of this type so as to eliminate the use of animals for moving the cultivator over the ground; second to arrange the component parts of the cultivator in a convenient and compact manner and -third to mount the cultivator teeth or other cultivating or soil working tool in such a novel manner that they can be inserted, into the ground, to various depths.

Other objects will appear and be better understood from that embodiment of my invention of which the following is a speciication, reference-being had to the accompanying drawings forming a part hereof, in which, l

Figure 1 is a side elevation of the improved cultivator.

Fig. 2 is a front view of the cultivator.

Fig. 3 `is a detail view showing the manner of mounting the motor on the4r oultivator.

Fig. i is a plan View oi the frame of the cultivaton l The cultivator is designated generally by I the letter A and comprises a U-shaped frame 1 beneath the forward end of which is located'an axle 2 which is journaled in boxes or bearings 3 to which the side bars of the trarne 1 are connected by struts 3a, the said axle being equipped with traction wheels 4: which are peripherally provided with cleats for increasing the purchase oi the wheels with the ground. A vertically disposed support., or chair 6 is mounted on the axle 2 .means of bearings 3 and comprises the crank casing or", and supports the cylinder or, an internai combustion motor 7. rlhe crank shaft 8 of the motor 7 is provided with "a gear 9 that meshes with'a gear 10 carried by the axis 2. it will therefore be seen that upon operation of the motor the axle 2 wiil be rotated and effect travel of the machine. In the construction shown, the motor shaft extends at right angles 'to the wheel axle 2 and the gears 9 and 10 are a worm and a worm gear respectively. rlhe forward end of the frame l is bent downwardly and forms a supporting yoke 11 for the radiator 12, the said radiator being arranged in communication with the water jacket of the motor or engine 7 by means of an outlet pipe -13 and return pipe 14. The intake pipe .'for the motor or engine, is designated 15 and is in communication with the carbureter 16, the carbureter being arranged in communication with a fuel supply tank 17, by means of a conducting pipe 18. A bracket 19 is mounted on the frame 1 and is provided with tandem seats 20 and 21. The seat 20 supports the supply tank 17 and a battery box 22 rests on the seat 21. Any

suitable ignition system can be employed for igniting a charge drawn into the cylinder of the engine, the type shown in the drawings including batteries incased in the box 22 and adapted to be used primarily for starting, and a magneto 23 that is suspended from the frame 1 and adapted to be closed to Vthe spark plug of the motor, after the engine has been started, by any suitable type of switch to be mounted at a suitable point on the frame 1. rEhe armature of the magneto can be operatively connected with the crank shaft ot the engine, in any suitable manner, so as-to effect rotation of the armature upon operation of the engine or motor 7. The rear ends of the side of the frame 1 are provided with handles 24 to be gripped by the hands of the operator so as to admit of the cultivator being conveniently steered. A rod 25 extends lengthwise of the frame 1 and has one end connected to a crank 26 carried by the Stein of a throttle valve located in the intake pipe 15. The other end of the rod 25 has connection with a lever 27 that is pivoted adjacent one of the handles 24E so as to be in reach of the operator to admit of the convenient operation of the throttle.

A movable platform or carrier 28 is disposed beneath the trame 1 and has the forward end thereof connected to leaf springs 29, the said springs being carried by lateral extending elements 30 that project inwardly from the supporting yoke 11, and forming a swinging connection for the end of the carrier at the front of the machine near the wheel axle. A pair of casters 31 forming a rear running support have the shanks there'- of respectively connected to the opposite sides of the frame 1 and diagonal brace rods 32 have connection with the frame 1 and the Shanks of the casters 31, only one of those brace rods being shown in the drawings. A vertical rack :bar 33 is located on one side of the platform 28 and has one end connected to the brace 32. A pawl 34 is carried by the platform 28 and is adapted to interchange ably engage in the/notches defined by the teeth on the rack 33 so as to coperate with the rack in holding the platform at selected positions. An operating rod 35 has one end connected to the pawl 34 so as to admit of the latter being moved into or out of engagement with the rack, the other end of the operatin rod being connected to a handle36 carri by the rear end of the platform 28. A plurality of cultivator teeth 37 is carried by the platform 28 and each has an upper horizontally extending portion 38 the free end of which has connection with the platform. The parts 38 are formed of relatively springy metal so as to render the teeth deressible. A strip 39 extends across the horizontal portion of the teeth and is secured thereto and has one end projecting a distance beyond one side of the platform. This extended end of the strip is adapted to be engaged by a cam shaped head 40 formed on the lower end of a lever 41 ywhich is pivoted to the platform 28. When the lever 41 is moved rearwardly the head 40 will exert a downward pressure on the strip 39 and effect depression or downward movement of the teeth 37, the degree ofdepression of the teeth being determined by the distance the lever 41 is moved. mounted on the platform 28 and a locking rod 43 is carried by the lever 41 and is adapted to be interchangeably received by the notches defined by the teeth on the rack 42 so as to permit the lever being held at selected positions. By virtue of the provision of depressible teeth, the same can be set to enga in the round, at various de ths; also y reason o the fact that the teetii are carried by a movable platform the teeth can be conveniently raised from engagement with the ground when itis desired to turn the cultivator around or to raise the teeth above any surface obstruction.

Suitable brace rods 44 have connection withthe frame 1 and the upright 6 and a U shaped bar 45 extends transversely across the rear end of the frame` and has connec- A segmental rack 42 is tion with the handles 24. The bar 45 admits of the operator exerting the required amount of pressure on the rear end of the frame 1 so as to prevent the combined weight of the engine and radiator, on the forward end of vthe frame, from tilting the cultivator forframe, a rear running support carried by said frame, a vertically adjustable carrier hung beneath said frame for carrying soil working means between the carrying wheels and said rear runnino' support, and a sprin connection between the forward end of sai carrier and the forward portion of the rearwardly extending frame. r

2. A walking cultivator, comprising a pair of carrying wheels', an axle on which said wheels are mounted, a supporting structure mounted on said axle between the carrying wheels and adapted to carry suitable wheeldriving means, a rearwardly extendi handle frame, a yoke forward of the ax e connected to and extending between the arms of said frame and forming a support for a portion of said wheeldriving means, a rear running support carried by said frame, a tool carrier having a swinging connection to said yoke and extending rearwardly therefrom, and means adjacent the handles of the frame for raising and lowering said carrier.

3. Awalking cultivator, comprising a pair of carrying wheels and an axle therefor, a frame comprising side bars extending rearwar'dly and provided with operating handles at their rear ends and having their front ends bent downwardly and connected by a cro piece forming a yoke forward of the axle and adapted to carry suitable wheel driving means, a wheeled trailer connected to the rear of said frame, a spring carried by the yoke, and an agricultural implement connected to said spring and active between the axle and the trailer.

4. A machineof the character described, comprisin carrying wheels, an axle connected to sai wheels, an upwardly'extending chair adapted to carry suitable wheel-driving means and having bearings embracin the axle, a handle-bar frame connected bot to the chair and to said bearings, and having a forward extension, a yoke extending between the arms of said forward extension,

a wheeled trailer connected .fto the rear of In testimony whereof, I have signed my Sld handle-bar frame, an underslung bearname to this specification, this twelfth clay 10 ing, a. spring connecting said bearing to said of June, 1917.

yoke an agricultural tool connected to said undeislung bearing and interposed between GAILLARD SMITH' said bearing and trailer, and vertically ad- Witnesses:

justwble connections between said frame and A. E. MORLEY,

agricultural tool. J. WM. COLLINS. 

